Home / 1,099.30-1,646.50-1,013.93

Finding the Fourth Proportional to 1,099.30, 1,646.50 and 1,013.93

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Solution

The fourth proportional to 1,099.30, 1,646.50 and 1,013.93 is: 1,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099.30 : 1,646.50 = 1,013.93 : x
  2. Step 2: Convert to fraction form
    1,099.30/1,646.50 = 1,013.93/x
  3. Step 3: Cross multiply
    1,099.30x = 1,646.50 × 1,013.93
  4. Step 4: Simplify right side
    1,099.30x = 1,669,435.75
  5. Step 5: Solve for x
    x = 1,669,435.75/1,099.30
  6. Step 6: Final answer
    x = 1,518.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.